80 lines
1.5 KiB
JavaScript
80 lines
1.5 KiB
JavaScript
import _ from 'lodash';
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function customEvent(name, detail) {
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var evt = document.createEvent('Event');
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evt.initEvent(name, true, true);
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evt.detail = detail;
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return evt;
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}
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function normalizeBBox(box) {
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return _.extend({
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ax: box.x,
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ax2: box.x2,
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ay: box.cy
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}, box);
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}
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function spaceHorizontally(items, options) {
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var verticalCenter = 0;
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options = _.defaults(options || {}, {
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padding: 0
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});
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_.reduce(items, (offset, item) => {
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var box;
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item.transform(Snap.matrix()
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.translate(offset, 0));
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box = normalizeBBox(item.getBBox());
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verticalCenter = Math.max(verticalCenter, box.ay);
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return offset + options.padding + box.width;
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}, 0);
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for (var item of items) {
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let box = normalizeBBox(item.getBBox());
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item.transform(Snap.matrix()
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.add(item.transform().localMatrix)
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.translate(0, verticalCenter - box.ay));
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}
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}
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function spaceVertically(items, options) {
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var horizontalCenter = 0;
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options = _.defaults(options || {}, {
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padding: 0
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});
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_.reduce(items, (offset, item) => {
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var box;
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item.transform(Snap.matrix()
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.translate(0, offset));
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box = item.getBBox();
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horizontalCenter = Math.max(horizontalCenter, box.cx);
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return offset + options.padding + box.height;
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}, 0);
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for (var item of items) {
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item.transform(Snap.matrix()
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.add(item.transform().localMatrix)
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.translate(horizontalCenter - item.getBBox().cx, 0));
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}
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}
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export default {
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customEvent,
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normalizeBBox,
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spaceHorizontally,
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spaceVertically
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};
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